PDF] Evidence that Increased Acetaminophen use in Genetically Vulnerable Children Appears to be a Major Cause of the Epidemics of Autism, Attention Deficit with Hyperactivity, and Asthma Semantic Scholar Acetaminophen Use During Pregnancy and Autism Risk Tylenol (acetaminophen) does not cause autism. The FDA, in its statement that there may be an association, confirmed that "a causal relationship has not been established, and studies of millions of children There is no conclusive evidence that acetaminophen use during pregnancy causes autism in children. Read Acting NYC Health Commissioner Dr. Michelle Morse's statement